Churn.



PATENTED APR. 28, 1903.

W. B. PRESTON.

2 SHEETS-SHEET 1.

N0 MODEL.

Ag? "a @44 22 4 As [TJVESSES No. 726,753. PATENTED APR. 2a, 1903.

W. PRESTON.

GHURN.

APPLIOATION rxnnn JAN. 24, 1902.

N0 MODEL. 2 SHEETS-SHEBT 2. I

I/IVI NESSES INVENTOR g Atlarney I YRS NORiIS PETERs cu. PHmc-LmwWASHINGTON. D. c.

WILLARD B. PRESTON,

ATENT OFFICE.

OF CHICAGO, ILLINOIS.

SPECIFICATIQN forming part of Letters Patent No. 726,753, dated A rii28, 1902. Application filed January 24,1962. Serial No. 91,046. (Nomodel.)

To all whom it may concern:

Be it known that I, WILLARD-B. PRESTON, a resident of Chicago, in thecounty of Cook and State of Illinois, have invented certain new anduseful Improvements in Chorus; and I do hereby declare the following tobe a full, clear, and exact description of the invention, such as willenable others skilled in the art to which it appertains to make and usethe same.

My invention relates to an improvement in churns, the object of theinvention being to provide improved mechanism for supporting an aeratingrotary dasher in a receptacle and so construct and mount the gearing andframework as to secure the best possible results from a churn of thischaracter.

With this object in view the invention consists in certain novelfeatures of construction and combinations and arrangements of parts, aswill be more fully hereinafter described, and pointed out in the claims.

In the accompanying drawings, Figure 1 is a view illustrating myimprovements. Fig.

2 is a View in section of the same, and Figsp 3 and 4 are enlarged viewsof details of con struction. b

1 represents a can or receptacle, which may be rectangular or othershape and is preferably provided in one side with a glass or transparentplate 2,to permit the contents of the receptacle to be viewed at alltimes; The top 3 for this receptacle is made to fit snugly and firmly inthe receptacle and is made with a central opening 4, through whichprojects a metal sleeve 5, forming a part of a cast framework. On sleeve5 radially-projecting arms 7 are located and are made bifurcated attheir ends to receive screws 8 and firmly bevel-gear 11 is secured on ashaft 12, extending down through the sleeve 5 and adapted to have thetubular dasher-rod 26 secured thereon, as will be hereinafterexplained.- On one side of the sleeve 5, at its upper end,

a vertical arm or standard 14 is located and I has a pintle 15 at itsupper end, on which a large bevel-gear 16 is mounted to revolve vandissecured on'the pintle by means of a nut 17, screwed onto the outer endthereof. ,A crank-arm 18 and handle 19 are provided on gear 16 toreadily turn the same, and a rigid handhold 20 is provided at the upperend of standard 14 to steady the churn during its operation. The lowerend of sleeve 5, which projects into the receptacle, is preferablycontracted, as shown, and has socured thereon by a screw 21 a collar 22,forming an integral part of a bowed leg 23, projecting to near thebottom of the receptacle and terminating in a foot 24, having an uprightconical lug or pin 25 in alinement with the shaft 12 to form athrust-bearing for the lower end of the dasher-rod, as will hereinafterappear.

The dasher-rod 26 comprises a tube of any desired diameter, secured in aring 27 by a keyon the rod 26 and a keyway in said ring, and the ring ismade with an integral yoke 28, having a central collar 29 to fit theshaft 12 and be secured thereon bya setscrew 30. This rod 26 has locatedin its lower end a flanged plug 31, made with a conical recess 'in itsbottom to receive pin 25 and rotate thereon. The dasher proper consistsof a :metal disk 32, perforated centrally to receive the dasher-rod 26and is rigidly secured thereon and has secured to its lower face theupper edges of a series of curves, strips, or blades 33, which latterare bent sharply at their inner ends andvsecured to the rod 26. Openings34 are provided in rod 26 between the blades 33 to permit the air drawndown the tubular rod to be ejected by the blades into the cream andbutter.

It will be seen that with my improvements the dasher is supported solelybythe framework and leg 23 and does not come in' contact with thereceptacle at all. This permits the easy removal of allof the workingparts from the receptacle, and as I do not employ any bearing in thebottom of the receptacle there will be no dark streaks in the cream andbutter due to this bearing, as heretofore.

Various slight changes might be resortedto in the general form andarrangement of the several parts described without departing from thespirit and scope of my invention, and hence I would have it understoodthat I do not wish to limit myself to the preelse details set forth, butconsider myself at liberty to make such slight changes and alterationsas fairly fall Within the spirit and scope of my invention.

Having fullydescribed my invention, what I claim as new, and desire tosecure by Letters Patent, is

1. In a churn, the combination with a receptacle and a cover therefor,of a sleeve projecting through the cover, a drive-shaft therein, a legsecured to the sleeve in the receptacle and terminating at its lower endin a foot projecting beneath the shaft, a tubular dasher-rod, a plug inthe lower end thereof having a thrust-bearing on said foot, a yokeconnecting the upper end of'said tubular rod to the shaft, a dasher onthe lower end of said dasher-rod comprising a horizontal disk and aseries of curved strips or blades secured to the lower face of said diskand the rod perforated between said strips or blades to permit the airto be drawn therethrough.

2. In a churn, the combination with a receptacle and a cover thereforhaving a hole, of a frame mounted on the cover over said hole, a shaftpassing through said frame and entering the receptacle, a tube securedto the lower end of said shaft, said tube having holes near its lowerend, blades secured to said tube adjacent to the holes therein, meansfor supporting the lower end of the tube and gearing mounted in theframe on the cover for driving the shaft and the tube and bladesconnected therewith.

In testimony whereof I have signed this specification in the presence'oftwo subscribing witnesses.

WVILLARD B. PRESTON.

Witnesses:

C. H. RADCLIFFE, MARK R. SHERMAN.

